7:03 p.m. Sunday: Air France says plane left Rio de Janeiro. Brazilian Air Force says plane left at 7:30 p.m.
10:30 p.m. Sunday: Air France says plane has last contact with Brazil air traffic control. Brazilian Air Force says last radio contact at 10:33 p.m., 351 miles (565 kilometers) from northeastern Brazilian city of Natal.
10:48 p.m.: Brazilian Air Force says last radar contact with Brazil indicated plane flying normally.
11 p.m. Sunday: Air France says plane entered zone of storms and high turbulence.
11:14 p.m. Sunday: Air France receives automatic message indicating electrical circuit malfunction.
11:20 p.m. Sunday: Brazilian Air Force says plane fails to make previously scheduled radio contact with Brazil. Brazil notifies air traffic control in Dakar, Senegal.
2-3 a.m Monday: Air France says French military radar begins searching for plane.
2:30 a.m. Monday: Brazilian Air Force says it mounts search and rescue mission with two planes.
4:30 am Monday: Air France says it sets up crisis center.
6:15 a.m. Monday: Plane's scheduled arrival in Paris, according to Air France.
8:30 a.m. Monday: Brazilian Air Force says it was told by Air France about the message the plane sent to the company. The message indicated technical problems, including a loss of pressure and an electrical system failure, Brazilian Air Force says.